that time whenn time. Someone Place a order in my website, firstly i changes the status Pending to processing when i click Ship. Now I want to generate a pdf format of the invoice to paste on Packaging. When i go to invoice section. There is no longer any item display in list. Here is my snapshot:

last time when I generating an invoice, they show Order status is complete, but my shipping is not delivered at time when client get received invoice message through emails.
I need a pdf printout, when someone place order, and order status is processing for paste sticker